Search Results - "Ibata, R."

At the survey limits: discovery of the Aquarius 2 dwarf galaxy in the VST ATLAS and the SDSS data by Torrealba, G., Koposov, S. E., Belokurov, V., Irwin, M., Collins, M., Spencer, M., Ibata, R., Mateo, M., Bonaca, A., Jethwa, P.

“…We announce the discovery of the Aquarius 2 dwarf galaxy, a new distant satellite of the Milky Way, detected on the fringes of the VLT Survey Telescope (VST)…”
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A 2–3 billion year old major merger paradigm for the Andromeda galaxy and its outskirts by Hammer, F, Yang, Y B, Wang, J L, Ibata, R, Flores, H, Puech, M

“…Abstract Recent observations of our neighbouring galaxy M31 have revealed that its disc was shaped by widespread events. The evidence for this includes the…”
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News from the Galactic suburbia: the chemical composition of the remote globular cluster NGC 2419 by Mucciarelli, A., Bellazzini, M., Ibata, R., Merle, T., Chapman, S. C., Dalessandro, E., Sollima, A.

“…Abstract We present the chemical analysis of 49 giant stars of the globular cluster NGC 2419, using medium resolution spectra collected with the multi-object…”
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Stellar streams as probes of dark halo mass and morphology: a Bayesian reconstruction by Varghese, A., Ibata, R., Lewis, G. F.

“…Tidal streams provide a powerful tool by means of which the matter distribution of the dark matter haloes of their host galaxies can be studied. However, the…”
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ARGOS - IV. The kinematics of the Milky Way bulge by Ness, M., Freeman, K., Athanassoula, E., Wylie-de-Boer, E., Bland-Hawthorn, J., Asplund, M., Lewis, G. F., Yong, D., Lane, R. R., Kiss, L. L., Ibata, R.

“…We present the kinematic results from our ARGOS spectroscopic survey of the Galactic bulge of the Milky Way. Our aim is to understand the formation of the…”
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The outer halo globular cluster system of M31 – III. Relationship to the stellar halo by Mackey, A D, Ferguson, A M N, Huxor, A P, Veljanoski, J, Lewis, G F, McConnachie, A W, Martin, N F, Ibata, R A, Irwin, M J, Côté, P, Collins, M L M, Tanvir, N R, Bate, N F

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The transverse velocity of the Andromeda system, derived from the M31 satellite population by Salomon, J-B, Ibata, R A, Famaey, B, Martin, N F, Lewis, G F

“…We present a dynamical measurement of the tangential motion of the Andromeda system, the ensemble consisting of the Andromeda galaxy (M31) and its satellites…”
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A Keck/DEIMOS spectroscopic survey of faint Galactic satellites: searching for the least massive dwarf galaxies by Martin, N. F., Ibata, R. A., Chapman, S. C., Irwin, M., Lewis, G. F.

“…We present the results of a spectroscopic survey of the recently discovered faint Milky Way satellites Boötes, Ursa Major I, Ursa Major II and Willman 1…”
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Do globular clusters possess dark matter haloes? A case study in NGC 2419 by Ibata, R., Nipoti, C., Sollima, A., Bellazzini, M., Chapman, S. C., Dalessandro, E.

“…We use recently published measurements of the kinematics, surface brightness and stellar mass-to-light ratio of the globular cluster NGC 2419 to examine the…”
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CECI N'EST PAS A GLOBULAR CLUSTER: THE METALLICITY DISTRIBUTION OF THE STELLAR SYSTEM TERZAN 5 by Massari, D, Mucciarelli, A, Ferraro, F R, ORIGLIA, L, Rich, R M, Lanzoni, B, Dalessandro, E, Valenti, E, Ibata, R, LOVISI, L, Bellazzini, M, Reitzel, D

“…We present new determinations of the iron abundance for 220 stars belonging to the stellar system Terzan 5 in the Galactic bulge. The spectra have been…”
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ARGOS - II. The Galactic bulge survey by Freeman, K., Ness, M., Wylie-de-Boer, E., Athanassoula, E., Bland-Hawthorn, J., Asplund, M., Lewis, G., Yong, D., Lane, R., Kiss, L., Ibata, R.

“…We describe the motivation, field locations and stellar selection for the Abundances and Radial velocity Galactic Origins Survey (ARGOS) spectroscopic survey…”
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Distances and metallicities for 17 Local Group galaxies by McConnachie, A. W., Irwin, M. J., Ferguson, A. M. N., Ibata, R. A., Lewis, G. F., Tanvir, N.

“…We have obtained Johnson V and Gunn i photometry for a large number of Local Group galaxies using the Isaac Newton Telescope Wide Field Camera (INT WFC). The…”
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The Unexpected Kinematics of Multiple Populations in NGC 6362: Do Binaries Play a Role? by Dalessandro, E., Mucciarelli, A., Bellazzini, M., Sollima, A., Vesperini, E., Hong, J., Hénault-Brunet, Vincent, Ferraro, F. R., Ibata, R., Lanzoni, B., Massari, D., Salaris, M.

“…Abstract We present a detailed analysis of the kinematic properties of the multiple populations (MPs) in the low-mass Galactic globular cluster (GC) NGC 6362…”
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THE ORIGIN OF THE SPLIT RED CLUMP IN THE GALACTIC BULGE OF THE MILKY WAY by Ness, M, Freeman, K, ATHANASSOULA, E, WYLIE-DE-BOER, E, Bland-hawthorn, J, Lewis, G F, Yong, D, Asplund, M, Lane, R R, Kiss, L L, Ibata, R

“…Near the minor axis of the Galactic bulge, at latitudes b < -5[degrees], the red giant clump stars are split into two components along the line of sight. We…”
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The Haunted Halos of Andromeda and Triangulum: A Panorama of Galaxy Formation in Action by Ibata, R, Martin, N. F, Irwin, M, Chapman, S, Ferguson, A. M. N, Lewis, G. F, McConnachie, A. W

“…We present a deep photometric survey of the Andromeda galaxy, conducted with the wide-field cameras of CFHT and INT, that covers the inner 50 kpc of the galaxy…”
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A BAYESIAN APPROACH TO LOCATING THE RED GIANT BRANCH TIP MAGNITUDE. II. DISTANCES TO THE SATELLITES OF M31 by CONN, A. R, IBATA, R. A, FERGUSON, A. M. N, CHAPMAN, S. C, VALLS-GABAUD, D, LEWIS, G. F, PARKER, Q. A, ZUCKER, D. B, MARTIN, N. F, MCCONNACHIE, A. W, IRWIN, M. J, TANVIR, N, FARDAL, M. A

“…In "A Bayesian Approach to Locating the Red Giant Branch Tip Magnitude (Part I)," a new technique was introduced for obtaining distances using the tip of the…”
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Major substructure in the M31 outer halo: distances and metallicities along the giant stellar stream by Conn, A. R., McMonigal, B., Bate, N. F., Lewis, G. F., Ibata, R. A., Martin, N. F., McConnachie, A. W., Ferguson, A. M. N., Irwin, M. J., Elahi, P. J., Venn, K. A., Mackey, A. D.

“…We present a renewed look at M31's giant stellar stream along with the nearby structures streams C and D, exploiting a new algorithm capable of fitting to the…”
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A dwarf galaxy remnant in Canis Major: the fossil of an in-plane accretion on to the Milky Way by Martin, N. F., Ibata, R. A., Bellazzini, M., Irwin, M. J., Lewis, G. F., Dehnen, W.

“…We present an analysis of the asymmetries in the population of Galactic M-giant stars present in the 2MASS All Sky catalogue. Several large-scale asymmetries…”
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THE THREE-DIMENSIONAL STRUCTURE OF THE M31 SATELLITE SYSTEM; STRONG EVIDENCE FOR AN INHOMOGENEOUS DISTRIBUTION OF SATELLITES by Conn, A R, Lewis, G F, Ibata, R A, Parker, Q A, Zucker, D B, McConnachie, A W, Martin, N F, VALLS-GABAUD, D, Tanvir, N, Irwin, M J, Ferguson, A M N, Chapman, S C

“…We undertake an investigation into the spatial structure of the M31 satellite system utilizing the distance distributions presented in a previous publication…”
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The proper motion of Andromeda from Gaia EDR3: confirming a nearly radial orbit by Salomon, J-B, Ibata, R, Reylé, C, Famaey, B, Libeskind, N I, McConnachie, A W, Hoffman, Y

“…ABSTRACT We present an analysis of the proper motion of the Andromeda galaxy (M31), based on the Early Third Data Release of the Gaia mission. We use the Gaia…”
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